Question

Which of the following compounds is/are (an) aldehyde(s)? i. CH3—OH ii. CH3—CO—CH3 iii. CH3—O—CH3 iv. CH3—CHO v. CH3—COO—CH3 Question 6 options: iv only ii only iii only i and iv ii, iii, and v Question 7 (0.5 points)

Which of the following compounds is/are (an) aldehyde(s)?
i. CH3—OH
ii. CH3—CO—CH3
iii. CH3—O—CH3
iv. CH3—CHO
v. CH3—COO—CH3
Question 6 options:

iv only

ii only

iii only

i and iv

ii, iii, and v
Question 7 (0.5 points)

Answer 1

iv only

Explanation:

An aldehyde functionality is `-CHO`. iv. is the only structure with that functionality.

Just for completeness:

i. alcohol - commonly called methanol
ii. ketone - commonly called dimethyl ketone
iii. ether - commonly called dimethyl ether
iv. aldehyde - called acetaldehyde
v. ester - commonly called methyl formate